package top.lshaci.learning.springboot.mybatisplus.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.Instant;
import java.time.LocalDateTime;

@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert fill ....");
        this.strictInsertFill(metaObject, "creator", () -> "@SYSTEM", String.class);
        this.strictInsertFill(metaObject, "created", Instant::now, Instant.class);
        this.strictInsertFill(metaObject, "lastUpdater", () -> "@SYSTEM", String.class);
        this.strictInsertFill(metaObject, "updated", Instant::now, Instant.class);
        this.strictInsertFill(metaObject, "version", () -> 0, Integer.class);
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("start update fill ....");
        this.strictInsertFill(metaObject, "lastUpdater", () -> "@SYSTEM", String.class);
        this.strictUpdateFill(metaObject, "updated", LocalDateTime::now, LocalDateTime.class);
    }
}